6.6-stable review patch. If anyone has any objections, please let me know.
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From: Venkata Prasad Potturu venkataprasad.potturu@amd.com
[ Upstream commit 4095cf872084ecfdfdb0e681f3e9ff9745acfa75 ]
Add condition check to register ACP PDM sound card by reading _WOV acpi entry.
Fixes: 5426f506b584 ("ASoC: amd: Add support for enabling DMIC on acp6x via _DSD")
Signed-off-by: Venkata Prasad Potturu venkataprasad.potturu@amd.com Link: https://patch.msgid.link/20241127112227.227106-1-venkataprasad.potturu@amd.c... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/amd/yc/acp6x-mach.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c index 04700e7471ca5..f3c0db24bc76b 100644 --- a/sound/soc/amd/yc/acp6x-mach.c +++ b/sound/soc/amd/yc/acp6x-mach.c @@ -537,8 +537,14 @@ static int acp6x_probe(struct platform_device *pdev) struct acp6x_pdm *machine = NULL; struct snd_soc_card *card; struct acpi_device *adev; + acpi_handle handle; + acpi_integer dmic_status; int ret; + bool is_dmic_enable, wov_en;
+ /* IF WOV entry not found, enable dmic based on AcpDmicConnected entry*/ + is_dmic_enable = false; + wov_en = true; /* check the parent device's firmware node has _DSD or not */ adev = ACPI_COMPANION(pdev->dev.parent); if (adev) { @@ -546,9 +552,19 @@ static int acp6x_probe(struct platform_device *pdev)
if (!acpi_dev_get_property(adev, "AcpDmicConnected", ACPI_TYPE_INTEGER, &obj) && obj->integer.value == 1) - platform_set_drvdata(pdev, &acp6x_card); + is_dmic_enable = true; }
+ handle = ACPI_HANDLE(pdev->dev.parent); + ret = acpi_evaluate_integer(handle, "_WOV", NULL, &dmic_status); + if (!ACPI_FAILURE(ret)) + wov_en = dmic_status; + + if (is_dmic_enable && wov_en) + platform_set_drvdata(pdev, &acp6x_card); + else + return 0; + /* check for any DMI overrides */ dmi_id = dmi_first_match(yc_acp_quirk_table); if (dmi_id)